* {
    margin: 0;
    padding: 0;
}

.w {
    width: 75% !important;
}

body,
html {
    width: 100%;
    height: auto;
}

/* 顶栏 */
header {
    width: 100%;
    height: 100px;
    background-color: #fff;
}

header #header {
    height: 100px;
    margin: auto;
}

header .header_logo {
    width: 100px;
    height: 100px;
    text-align: center;
    color: rgb(240, 240, 240);
    display: inline-block;
}

header .header_logo img {
    height: 70px;
    width: 70px;
    transform: rotate(30deg);
}

header .header_logo_text {
    color: rgb(240, 50, 30);
    font-size: 14px;
}

header .header_search {
    text-align: center;
    margin-top: 30px;
}

header .header_search input {
    width: 500px;
    outline: none;
    padding: 5px 0 5px 15px;
    box-sizing: border-box;
    border: 2px solid rgb(240, 50, 30);
}

header .header_search button {
    width: 60px;
    height: 38px;
    margin-left: -5px;
    border: none;
    color: #fff;
    background-color: rgb(240, 50, 30);
}

header .header_shoppingCart {
    width: 140px;
    text-align: center;
    height: 40px;
    line-height: 40px;
    border: 1px solid rgb(240, 50, 30);
    margin-top: 30px;
}

header .header_shoppingCart a {
    text-decoration: none;
    color: #000;
}

header .header_shoppingCart img {
    width: 18px;
    height: 16px;
}

/* 导航栏 */
.classify {
    width: 100%;
    height: 46px;
    background-color: rgb(240, 50, 30);
}

.classify .nav .nav-link {
    color: #fff;
    font-size: 20px;
    width: 110px;
}

/* 底栏 */
footer {
    width: 100%;
    height: 200px;
    background-color: rgb(240, 240, 240);
    padding: 20px;
}

.dkhs {
    height: 80px;
}

.dkhs span {
    display: inline-block;
    width: 39px;
    height: 46px;
    background: url(../images/多快好省.png) no-repeat;
    vertical-align: middle;
    margin-right: 5px;
}

.dkhs span.item1 {
    background-position: 0px -190px;
}

.dkhs span.item2 {
    background-position: -40px -190px;
}

.dkhs span.item3 {
    background-position: -82px -190px;
}

.dkhs span.item4 {
    background-position: -123px -190px;
}

footer hr {
    margin-top: -10px;
}

main{
    width: 100%;
    height: auto;
    background-color: rgb(245, 245, 245);
    padding: 36px 0;
}

#main{
    width: 75%;
    height: auto;
    margin: auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 18px;
}

#main h2{
    font-size: 2.3rem;
    font-family: "宋体";
    font-weight: bold;
}

#main form{
    width: 36%;
    /* background-color: pink; */
    margin: auto;
    margin-top: 20px;
    font-family: "宋体";
    font-size: 18px;
}

/* #main form input{
    margin-top: 20px;
} */

/* #main form div{
    margin-top: 20px;
} */

.input-group{
    margin-top: 28px;
}

.imageShow{
    width: 200px;
    height: 200px;
    line-height: 200px;
    text-align: center;
    background-color: rgb(240, 240, 240);
    margin-left: 40px;
    user-select: none;
}

.imageShow img{
    width: 200px;
    height: 200px;
}

.form-check{
    padding-left: 27px;
    padding-right: 35px;
    line-height: 13px;
}

.form-check-input{
    margin-top: 0px;
    margin-right: 10px;
}

.head_portrait{
    margin-top: 28px;
}